| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 197 |
16.4%
|
| 2 | Worse | 312 |
25.9%
|
| 3 | Same | 317 |
26.3%
|
| 4 | Better | 213 |
17.7%
|
| 5 | Much better | 26 |
2.2%
|
| 8 | Refused | 4 |
0.3%
|
| 9 | Don’t know | 135 |
11.2%
|